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Crows can solve a tricky puzzle box by planning ahead and using tools | New Scientist
The Raven Who Solves Puzzles | Animal Einsteins | BBC Earth - YouTube
What Puzzle-Solving Crows Can Teach Us About Animal Intelligence
Clever crows reveal 'window into the mind' - BBC News
This 'smart' raven knows how to solve puzzles, he shows it by succeeding in this toy
Texas State Aquarium on Twitter: "It's National #CrowandRavenDay! Gabby, our American crow, is one brainy bird. In fact, crows are one of the smartest animals in the world! Gabby is an amazing
Crows could be the smartest animal other than primates - BBC Future
Crows solve Aesop's-fable puzzle as well as an average 7-year-old - The Washington Post
Crows solve Aesop's-fable puzzle as well as an average 7-year-old - The Washington Post
Redefining 'Bird Brain' - Crow Shows Amazing Intelligence in Solving a Complex Puzzle - The Daily Grail
Crow Puzzle Feeder: A New Twist On Birds That Eat Happily
Crows Continue to Be Terrifyingly Intelligent -- Science of Us
See How These Birds Solve Tricky Puzzles | National Geographic - YouTube
What Puzzle-Solving Crows Can Teach Us About Animal Intelligence
Crow Solves An 8 Step Puzzle To Get Food. Incredible! - YouTube
Top 9 Mysterious Birds – K-12 Education
Testing if playing with toys helps crows and parrots invent tools to solve puzzles – A new zoology thing for curious kids – 2 New Things
Wild Crows Solving Wood Puzzle - YouTube
Crow that bent wire to retrieve food was acting naturally, scientists discover | Animal behaviour | The Guardian
Viral Video: Intelligent Crow Solves Shape Puzzle to Get Treats. Watch Adorable Clip
Crow Solves 8-stage Puzzle - Neatorama
Clever crows reveal 'window into the mind' - BBC News
Crows: Officially smarter than children - CNET
Are Crows the Ultimate Problem Solvers? | Inside the Animal Mind | BBC Earth - YouTube
The ultimate problem solvers? A wild crow solves a puzzle in 8 parts | The Kid Should See This
This Problem-Solving Crow is Blowing My Mind » TwistedSifter
Bird-brained? This crow's a genius! Amazing video reveals how creature solves 8 complex puzzles to unlock a treat | Daily Mail Online